Safe door



FIG. 1 is an exploded, perspective view of a safe door showing our new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is an exploded, perspective view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines illustrate environmental structure which forms no part of the claimed design. 

The ornamental design for a safe door, as shown and described. 